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This post came all the way from the good ol' United States.
So basically, I have multiple games on backed up CD-Rs. Sonic Adventure 2, Sonic Adventure 2: The Trial, and Crazy Taxi 2. Sonic Adventure 2: The Trial works just fine. Final version of SA2 doesn't work, and neither does Crazy Taxi 2, not even with a Bootloader disc. Even then, the Utopia is useless as it won't run The Trial but The Trial works by itself. Also noting, SA2 has worked on two occasions.
Any help is greatly appreciated.